Can't build unit tests after upgrade to AGP 4.2

Android Studio 4.2.1 AGP 4.2.1 Gradle 6.7.1 AppAuth 0.8.1.1

After upgrade to AGP 4.2.1 I’m getting error Manifest merger failed : Attribute data@scheme at manifestMerger17575735412594745234.xml requires a placeholder substitution but no value for <appAuthRedirectScheme> is provided. when I’m trying build unit tests. For normal build it’s working. I have multi-module project and in my app module, there is AndroidManifest.xml:

<activity
    android:name="net.openid.appauth.RedirectUriReceiverActivity"
    tools:node="replace">
    <intent-filter>
        <action android:name="android.intent.action.VIEW" />

        <category android:name="android.intent.category.DEFAULT" />
        <category android:name="android.intent.category.BROWSABLE" />

        <data
            android:host="identity"
            android:scheme="xxx" />
    </intent-filter>
</activity>

In AppAuth module, there is test/AndroidManifest.xml:

<activity
    android:name="net.openid.appauth.RedirectUriReceiverActivity"
    tools:node="replace" />

And in build.gradle (app) I have:

unitTestVariants.all {
    it.mergedFlavor.manifestPlaceholders += [
            appAuthRedirectScheme: "xxx"
    ]
}

It worked fine until the upgrade. Probably “unitTestVariants” stopped working? Is there any alternative way?

[MichalKlusak]

@agologan I didn’t even need to add it to tests. In <module>/src/AndroidManifest.xml it is enough. test and AndroidTest use it as fallback. @vramasam The point is that we want every module except the main module (app module) don’t see appAuthRedirectScheme so when we have for example this module hierarchy

                                   app
                                    |
                           ______________________________________
                            |                        |         |
                            A                        B         C
                            |                        |         
                       _____________              AppAuth
                       |           |
                       D           E
                                   |
                                AppAuth

we have to add empty replacement to modules B and E so every module above them (for example A) get empty RedirectUriReceiverActivity in manifest merger and only in app module add AndroidManifest with final android:host and android:scheme.

[agologan]

Closing this as there has been no response from the OP in a reasonable amount of time. Assuming issue has been resolved. Feel free to open a new issue if you require further assistance 👍